Articles
Automatically terminate OpenSSH sessions
Disconnect OpenSSH user sessions after a certain period of inactivity with the systemd-logind service.
Recovering from a cyberattack in a hybrid environment
Restoring identity is an important part of disaster recovery, since it lays the foundation for restoring normality and regular operations. We look into contingency measures for hybrid directory services with Entra ID, the Graph API, and its PowerShell implementation.
Border Gateway Protocol
We look at the Border Gateway Protocol, how it routes packets through the Internet, its weaknesses, and some hardening strategies.
Building a defense against DDoS attacks
Targeted attacks such as distributed denial of service, with thousands of computers attacking your servers until one of them caves in, cannot be prevented, but they can be effectively mitigated.
Fast email server deployments with iRedMail
Setting up and maintaining an email service in the data center doesn't have to be a nightmare. The iRedMail open source solution lets you deploy a full-featured email server on a number of platforms in a matter of minutes.
Build and host Docker images
When facing the challenge of packaging your application in a container, take into account your needs in terms of handling and security and investigate sensible options for hosting your own registry.
An army of Xeon cores to do your bidding
Explore low-cost parallel computing.
Self-hosted remote support
RustDesk supports self-hosted cross-platform remote support and maintenance. The client and optional basic server are open source and available free of charge.
Chatbots put to the scripting test
The AI skillset is currently limited, so you don't yet have to worry about AI replacing programmers. We look at the capabilities of AI scripting with free large language models and where it works best.
Simple, small-scale Kubernetes distributions for the edge
We look at three scaled-down, compact Kubernetes distributions for operation on edge devices or in small branch office environments.
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